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Service bulletin SB0004C004

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id615677
Published by NHTSA2001-01-28
Manufacturer's numberSB0004C004
Manufacturer's date2000-10-01
NHTSA componentPOWER TRAIN

NHTSA's summary

SOME VEHICLES MAY DISPLAY INACCURATE SPEEDOMETER READING. THIS BULLETIN REVEALS THE SPEEDOMETER CONTROL UNIT COVER REMOVAL PROCEDURES. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline

Vehicles listed
ISUZU FRR2000

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
SB0105C0022001-07-02. Service bulletin. CERTAIN COMMERCIAL VEHICLES EQUIPPED WITH MLD6Q MANUAL TRANSMISSION MAY EXHIBIT A HARD SHIFT EFFORT. *TT
SB0004C0022000-09-28. Service bulletin. SOME VEHICLES MAY DISPLAY INACCURATE SPEEDOMETER READINGS. THIS BULLETIN CONTAINS SPEEDOMETER CONTROL UNIT COVER REMOVAL PROCEDURES. *TT